fianu_cleanup.sh

#!/bin/bash
# bashsupport disable=BP5006

set -euo pipefail

##############################################################################
# Default Parameters
##############################################################################
# Usage:
#   ./uninstall_fianu.sh [NAMESPACE] [RELEASE_NAME] [--full]
# Defaults:
#   NAMESPACE: fianu
#   RELEASE_NAME: fianu-core
NAMESPACE=${1:-"fianu"}
RELEASE_NAME=${2:-"fianu-core"}

# Check for optional full cleanup flag (deletes namespace if set)
FULL_CLEANUP=false
if [[ "${3:-}" == "--full" ]]; then
  FULL_CLEANUP=true
fi

##############################################################################
# Logging helper for structured logs
##############################################################################
log() {
  local level="$1"
  local action="$2"
  local details="$3"
  echo "$(date +'%Y-%m-%d %H:%M:%S') | LEVEL=$level | ACTION=$action | DETAILS=$details"
}

##############################################################################
# Main Control Flow
##############################################################################
main() {
  log "INFO" "Script Start" "Fianu Core uninstall script started."

  # Uninstall the Helm release
  log "INFO" "Helm Uninstall" "Uninstalling Helm release '$RELEASE_NAME' from namespace '$NAMESPACE'."
  if helm uninstall "$RELEASE_NAME" --namespace "$NAMESPACE"; then
    log "INFO" "Helm Uninstall" "Helm release '$RELEASE_NAME' uninstalled successfully."
  else
    log "WARN" "Helm Uninstall" "Failed to uninstall Helm release '$RELEASE_NAME'. It may not exist or could have been already removed."
  fi

  # If the --full flag is provided, delete the namespace (skip deletion of the default namespace)
  if [ "$FULL_CLEANUP" = true ]; then
    if [ "$NAMESPACE" = "default" ]; then
      log "INFO" "Namespace Cleanup" "Skipping deletion of the default namespace."
    else
      log "INFO" "Namespace Cleanup" "Deleting namespace '$NAMESPACE'."
      if kubectl delete namespace "$NAMESPACE"; then
        log "INFO" "Namespace Cleanup" "Namespace '$NAMESPACE' deleted successfully."
      else
        log "WARN" "Namespace Cleanup" "Failed to delete namespace '$NAMESPACE'. It may not exist."
      fi
    fi
  fi

  log "SUCCESS" "Script Completion" "Fianu Core uninstall script completed successfully."
}

# Run main
main